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Soil & Sediment Corers

peat-corer
corer-kit

Peat or Russian Corer

The Russian type corers are inserted to the depth where a profile needs to be taken in a closed position. They are rotated to take a virtually undisturbed, 50cm X 50mm core. A small version is also available for sampling in tanks or drums.

Sediment

The right equipment for the job

Whether you classify sediment as a weak soil or all soils as sediment what's certain is to collect samples when the soil is wet, soft and non-cohesive, will be challenging and retention can be difficult so the sample will need to be enclosed or captured in a liner. Poor samples lead to errors in analysis and inaccurate conclusions.

Sediments present special challenges and using the right equipment will save you time, money and mistakes. Sediments are weak and non cohesive so retention of the sample is often difficult which means that it must be enclosed or captured in a liner as incorrect samples lead to errors in analysis and therefore the conclusions. Peat soils can often be captured in gouge augers or a peat or Russian corer but where the sediments are very sloppy and especially when sampling below the water table different equipment is required.

Mostly these samples are taken with a piston sampler such as the Multisampler, Beeker sampler or Stitz corer.They will be inserted in the material in a closed position and only opened at the start of the desired horizon. These samplers are also very useful in capturing the water/sediment interface which is often of immense importance to researchers to test if the contaminant is contained or occurs in both materials. Mostly, the use of these piston type samplers produce a virtually undisturbed sample but for rough and ready work Van Veen type samplers can also be used.

Why selecting the right sampler is important - Click Here